CN102971910A - Antenna Units and Antennas - Google Patents
Antenna Units and Antennas Download PDFInfo
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- CN102971910A CN102971910A CN2012800001361A CN201280000136A CN102971910A CN 102971910 A CN102971910 A CN 102971910A CN 2012800001361 A CN2012800001361 A CN 2012800001361A CN 201280000136 A CN201280000136 A CN 201280000136A CN 102971910 A CN102971910 A CN 102971910A
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- antenna element
- outer conductor
- radiation arm
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
- H01Q21/26—Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
- H01Q9/28—Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines
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Abstract
Embodiments of the present invention relate to an antenna unit and antenna. The antenna unit comprises an orthogonal dipole and four feeder pillars; the orthogonal dipole comprises four sets of radial arms and a conductor element with ring-shaped structure, wherein each set of radial arms comprises two or more radial arms connected to each other at inner ends, and the outer ends of the four sets of radial arms are connected to the conductor element with ring-shaped structure; one end of each feeder pillar is connected to the inner ends of a set of radial arms, and the other end is connected to a feed network; the current phases of the two feeder pillars feeding to the two sets of radial arms with the same polarization are opposite of each other. Utilizing the antenna unit and the antenna provided in the present invention can improve polarization purity of the antenna unit.
Description
Antenna element and antenna
The present embodiments relate to mobile communication technology, more particularly to a kind of antenna element and antenna for technical field.Background technology
In mobile communication system, base station passes through antenna element transmission signal.The antenna element of base station generally includes two kinds of forms:The antenna element of dipole-type and the antenna element of patch-type.
At present, the composition structure of the antenna element of dipole-type includes:Reflecting plate and the cross-dipole being arranged on reflecting plate.Wherein, cross-dipole is made up of balun device and radiation arm.Cross-dipole includes two pairs of radiation arms, i.e. each cross-dipole includes four groups of radiation arms altogether.Balun device be generally arranged at reflecting plate front, can perpendicular to surface of oscillator, or with surface of oscillator it is angled set, four groups of radiation arms are connected to balun device upper end, and are horizontally disposed with.Specifically, four groups of radiation arms balun device upper end centered on bar wheel apparatus it is horizontal-extending to four direction respectively.
The polarization purity of the antenna element of above-mentioned existing dipole-type is low.The content of the invention
The one side of the embodiment of the present invention is to provide a kind of antenna element, to improve the polarization purity of antenna element.
The another aspect of the embodiment of the present invention is to provide a kind of antenna, to improve the polarization purity of antenna element.The one side of the embodiment of the present invention is to provide a kind of antenna element, including:Cross-dipole, four feeder pillars and a reflecting plate;
The cross-dipole includes:The conductor part of four groups of radiation arms and a loop configuration;Radiation arm described in every group includes:The connected radiation arm in two or more the inner, the outer end of four groups of radiation arms connects the conductor part of the loop configuration;
One end of each feeder pillar connects the inner of radiation arm described in one group, and other end connection feeding network is that the current phase of two feeder pillars of two groups of radiation arms feed of same polarization is opposite.
The another aspect of the embodiment of the present invention is to provide a kind of antenna, including:Reflecting plate and at least one antenna element as described above being arranged on the reflecting plate;
The feeding network is arranged on the reflecting plate.
The another aspect of the embodiment of the present invention is to provide a kind of antenna element, including:Cross-dipole and balun device;
The cross-dipole includes:The conductor part of four groups of radiation arms and a loop configuration;Radiation arm described in every group includes:The connected radiation arm in two or more the inner, the outer end of four groups of radiation arms connects the conductor part of the loop configuration;
The balun device includes four outer conductors and two inner wires, the upper end of each outer conductor connects the inner of one group of radiation arm respectively, the inside of two adjacent outer conductors sets an inner wire respectively, one end of each inner wire penetrates the outer conductor from the lower end of the outer conductor at place, the upper end of the other end from the outer conductor at place extends out, the outer conductor being connected to place is in the upper end of the outer conductor of diagonal positions, or extended to from the outer conductor at place in the upper end of the outer conductor of diagonal positions inside the outer conductor, the inner wire and the outer conductor at place formation coaxial line, fed by the coaxial line.
The another aspect of the embodiment of the present invention is to provide a kind of antenna, including:Reflecting plate and at least one antenna element as described above being arranged on the reflecting plate.
The one side of the embodiment of the present invention has the technical effect that:The electric current of opposite phase is inputted to feeding network by two feeder pillars of same polarization, by the way of symmetric feeds, and four groups of radiation arms are connected by the conductor part of loop configuration, electric current in four groups of radiation arms forms closed-loop path in the conductor part of the loop configuration, so that electric current distribution equilibrium on radiation arm, the major lobe of directional diagram of the antenna does not deviate, emittance balance, so as to improve the polarization purity of antenna element.
The other side of the embodiment of the present invention has the technical effect that:The outer conductor is penetrated from the lower end of the outer conductor at place by one end of inner wire, the upper end of the other end from the outer conductor at place extends out, the outer conductor being connected to place is in the upper end of the outer conductor of diagonal positions, or extended to from the outer conductor at place in the upper end of the outer conductor of diagonal positions inside the outer conductor, fed by one end for penetrating outer conductor of inner wire and the outer end of four groups of radiation arms is connected to the conductor part of loop configuration, so that emittance is balanced, the polarization purity of antenna element is improved.Brief description of the drawings is in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, the required accompanying drawing used in embodiment or description of the prior art will be briefly described below, apparently, drawings in the following description are only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the antenna element of the embodiment of the present invention one;
Fig. 2 a are the structural representation of the first antenna element of the embodiment of the present invention two;
Fig. 2 b are a kind of inner conductor structure schematic diagram of the first antenna element of the embodiment of the present invention two;Fig. 2 c are another inner conductor structure schematic diagram of the first antenna element of the embodiment of the present invention two;Fig. 2 d are the structural representation of second of antenna element of the embodiment of the present invention two;
Fig. 3 is the principle schematic of the antenna element of the embodiment of the present invention one and embodiment two;
Fig. 4 is the structural representation of the antenna element of the embodiment of the present invention three;
Fig. 5 is the structural representation of the antenna element of the embodiment of the present invention four;
Fig. 6 is the structural representation of the antenna element of the embodiment of the present invention five;
Fig. 7 is the structural representation of the antenna element of the embodiment of the present invention six;
Fig. 8 is the structural representation of the antenna element of the embodiment of the present invention seven;
Fig. 9 is the structural representation of the antenna of the embodiment of the present invention eight;
Figure 10 is the structural representation of the antenna of the embodiment of the present invention nine.Embodiment is below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made belongs to the scope of protection of the invention.
Fig. 1 is the structural representation of the antenna element of the embodiment of the present invention one.As shown in figure 1, the antenna element includes:Cross-dipole, four feeder pillars 11.
Specifically, a pair of orthogonal dipole includes:The conductor part of four groups of radiation arms and a loop configuration
13.Every group of radiation arm includes two or more radiation arm 12, and the inner of radiation arm 12 of every group of radiation arm is connected on same feeder pillar.The outer end of four groups of radiation arms connects the conductor part 13 of loop configuration.One end of each feeder pillar 11 connects the inner of one group of radiation arm, the other end connects feeding network, the feeding network includes four distributing points altogether, the current phase of two feeder pillars 11 fed for two groups of radiation arms of same polarization is on the contrary, the current and phase difference of two feeder pillars 11 of two groups of radiation arms feed of as same polarization is 180 degree.It is that the paired diagonal position relation of two feeder pillars 11 of two groups of radiation arms feed of same polarization is set, i.e. in four feeder pillars 11 shown in Fig. 1, the current phase for constituting two feeder pillars 11 of diagonal positions relation is opposite referring to Fig. 1.
In the embodiment of the present invention one, due to two feeder pillars of two groups of radiation arms feed for same polarization
The current phase of 11 input feeding networks is opposite, i.e. by the way of symmetric feeds, and four groups of radiation arms are connected by the conductor part 13 of loop configuration, electric current in four groups of radiation arms forms closed-loop path in the conductor part 13 of the loop configuration, so that electric current distribution equilibrium on radiation arm 12, the major lobe of directional diagram of the antenna does not deviate, emittance is balanced, so as to improve the polarization purity of antenna element, and the energy coupling between antenna element can be reduced, the isolation of antenna element is improved.
On the basis of above-mentioned technical proposal, specifically, the conductor part 13 of the loop configuration can be any form of loop configuration, for example, can be triangular loop, tetracyclic ring, polygon ring, annulus or vesica piscis.Referring to Fig. 1, in the embodiment of the present invention one, it is explained so that the conductor part 13 of loop configuration uses circular ring structure as an example.
On the basis of above-mentioned technical proposal, specifically, the shape of above-mentioned radiation arm 12 can be straight line or curve.The connection of radiation arm 12 and conductor part 13 can use a variety of connected modes, for example, it is connected again with the conductor part 13 of the loop configuration after being connected with the outer end of the radiation arm 12 of every group of radiation arm, or, can also the outer end of every group of radiation arm be connected respectively with the conductor part 13 of the loop configuration.
On the basis of above-mentioned technical proposal, aforementioned four feeder pillar 11 and cross-dipole use are integrally formed mode and made, four feeder pillars 11 and cross-dipole are fabricated to an integral device, specifically, integrally formed production method can use plating after die casting, plastic injection, using printed circuit board
The mode such as (Printed Circuit Board, abbreviation PCB) or sheet-metal formed makes.
Fig. 2 a are the structural representation of the first antenna element of the embodiment of the present invention two.As shown in Figure 2 a, the antenna element includes:Cross-dipole and balun device.
Wherein, the cross-dipole includes:The conductor part 23 of four groups of radiation arms and a loop configuration.Every group of radiation arm includes:The connected radiation arm 22 in two or more the inner.The outer end of four groups of radiation arms connects the conductor part 23 of loop configuration.
The balun device can use the balun device in existing antenna element.Specifically, the balun device includes:Inner wire and the coaxial line of outer conductor formation.Wherein, the coaxial line is combined by inner wire with outer conductor, specifically, and balun device includes:Four outer conductors and two inner wires.The upper end of each outer conductor connects the inner of one group of radiation arm respectively.The inside of two adjacent outer conductors sets an inner wire respectively.One end of each inner wire penetrates the outer conductor from the lower end of the outer conductor at place, and the upper end of the other end from the outer conductor at place of the inner wire extends out.After the end of inner wire extends out from the upper end of the outer conductor at place, the outer conductor with place is can be directly connected in the upper of the outer conductor of diagonal positions
End.Or, extended to from the outer conductor at place in the upper end of the outer conductor of diagonal positions inside the outer conductor, i.e.,:The end of inner wire is cut off inside the outer conductor, without being passed from the lower end of the outer conductor.Inner wire and the outer conductor at place formation coaxial line, in feed, are fed by the coaxial line.
Referring to Fig. 2 a, four outer conductors are four columns of the radiation arm of connection cross-dipole, four outer conductors are respectively labeled as outer conductor 211, outer conductor 212, outer conductor 213 and outer conductor 214, two inner wires are respectively labeled as inner wire 215 and inner wire 216.Specifically, outer conductor 211 connects the inner of one group of radiation arm to the upper end of outer conductor 214 respectively.In the inside of two adjacent outer conductors, one inner wire is set respectively.
For example, setting inner wire 215 in the inside of outer conductor 211, inner wire 216 is set in the inside of outer conductor 212.By taking inner wire 215 as an example, one end of inner wire 215 penetrates outer conductor 211 from the lower end of outer conductor 211, and the upper end of the other end from the outer conductor 211 of inner wire 215 extends out.Referring to Fig. 2 a, outer conductor 211 is in diagonal positions with outer conductor 213.After the upper end of the other end from the outer conductor 211 of above-mentioned inner wire 215 extends out, the upper end in the outer conductor 213 of diagonal positions with outer conductor 211 can be directly connected to.Or, after the upper end of the other end from the outer conductor 211 of above-mentioned inner wire 215 extends out, extended to from outer conductor 211 in the upper end of the outer conductor 213 of diagonal positions inside outer conductor 213, and cut off inside the outer conductor 213.Inner wire 215 and the formation coaxial line of outer conductor 211 where it, in feed, are fed by the coaxial line.Specifically, by the lower end of outer conductor 211 and the port that one end of inner wire 215 therein is formed is penetrated, is used as the feed port of the coaxial line.
Similarly, by taking inner wire 216 as an example, one end of inner wire 216 penetrates outer conductor 212 from the lower end of outer conductor 212, and the upper end of the other end from the outer conductor 212 of inner wire 216 extends out.Referring to Fig. 2 a, outer conductor 212 is in diagonal positions with outer conductor 214.After the upper end of the other end from the outer conductor 212 of above-mentioned inner wire 216 extends out, the upper end in the outer conductor 214 of diagonal positions with outer conductor 212 can be directly connected to.Or, after the upper end of the other end from the outer conductor 212 of above-mentioned inner wire 216 extends out, extended to from outer conductor 212 in the upper end of the outer conductor 214 of diagonal positions inside outer conductor 214, and cut off inside the outer conductor 214.Inner wire 216 and the formation coaxial line of outer conductor 212 where it, in feed, are fed by the coaxial line.Specifically, by the lower end of outer conductor 212 and the port that one end of inner wire 216 therein is formed is penetrated, is used as the feed port of the coaxial line.
When above-mentioned inner wire 215 is connected with outer conductor 213, and inner wire 216 connects with outer conductor 214
, can be using two kinds of connected modes when connecing.Mode one:One end that the upper end of inner wire 215 from outer conductor 211 extends out, is directly connected to the upper end of outer conductor 213;One end that the upper end of inner wire 216 from outer conductor 212 extends out, is directly connected to the upper end of outer conductor 214.Mode two, one end that the upper end of inner wire 215 from outer conductor 211 extends out, is extended to inside outer conductor 213 from the upper end of outer conductor 213;One end that the upper end of inner wire 216 from outer conductor 212 extends out, is extended to inside outer conductor 214 from the upper end of outer conductor 214.Both the above connected mode corresponds to a kind of inner conductor structure respectively, and two kinds of inner conductor structures of the first antenna element of the embodiment of the present invention two are introduced respectively below by way of Fig. 2 b and Fig. 2 c.
Fig. 2 b are a kind of inner conductor structure schematic diagram of the first antenna element of the embodiment of the present invention two.Referring to Fig. 2 a and Fig. 2 b, after the upper end of outer conductor of the inner wire where itself extends out, the upper end with another outer conductor of the paired diagonal position of outer conductor at place is directly connected to.Specifically, can be using the connected mode welded.For example, one end that directly upper end of inner wire 215 from outer conductor 211 extends out is welded to the upper end of outer conductor 213.Because the coaxial line formed by outer conductor 211 with inner wire 215 is fed, one group of radiation arm being connected with outer conductor 211 realizes that electric energy is transmitted by the coaxial line;Because inner wire 211 is directly connected on outer conductor 213, one group of radiation arm that outer conductor 213 and outer conductor 213 are connected is directly realized by electric energy by the inner wire 211 and transmitted.
Fig. 2 c are another inner conductor structure schematic diagram of the first antenna element of the embodiment of the present invention two.Referring to Fig. 2 a and Fig. 2 c, after the upper end of outer conductor of the inner wire where itself extends out, extended to from the upper end with another outer conductor of the paired diagonal position of the outer conductor at place inside the outer conductor.For example, one end that the upper end of inner wire 215 from outer conductor 211 extends out, the inside of outer conductor 213 is extended to from the upper end of outer conductor 213, and cut off inside outer conductor 213, without being passed from the lower end of outer conductor 213.Because the coaxial line formed by outer conductor 211 with inner wire 215 is fed, one group of radiation arm being connected with outer conductor 211 realizes that electric energy is transmitted by the coaxial line;Because inner wire 211 extends to the inside of outer conductor 213, outer conductor 213 is coupled with inner wire 211, and one group of radiation arm that outer conductor 213 and outer conductor 213 are connected realizes that electric energy is transmitted with the coupling crossed between outer conductor 213 and inner wire 211.
In the embodiment of the present invention two, due to using the coaxial line of internal and external conductor formation to be fed for two groups of radiation arms of paired diagonal position, therefore by the way of symmetric feeds, and four groups of radiation arms are connected by the conductor part 23 of loop configuration, electric current in four groups of radiation arms forms closed-loop path in the conductor part 23 of the loop configuration, so that electric current distribution equilibrium on radiation arm 22, the major lobe of directional diagram of the antenna
Do not deviate, emittance balance, so as to improve the polarization purity of antenna element, and the energy coupling between antenna element can be reduced, improve the isolation of antenna element.
On the basis of above-mentioned technical proposal, specifically, the conductor part 23 of the loop configuration can be any form of loop configuration, for example, can be triangular loop, tetracyclic ring, polygon ring, annulus or vesica piscis.Referring to Fig. 2 a, in the embodiment of the present invention two, it is explained so that the conductor part 23 of loop configuration uses circular ring structure as an example.
On the basis of above-mentioned technical proposal, specifically, the shape of above-mentioned radiation arm 22 can be straight line or curve.The connection of radiation arm 22 and conductor part 23 can use a variety of connected modes, for example, it is connected again with the conductor part 23 of the loop configuration after being connected with the outer end of the radiation arm 22 of every group of radiation arm, or, can also the outer end of every group of radiation arm be connected respectively with the conductor part 23 of the loop configuration.
On the basis of above-mentioned technical proposal, specifically, outer conductor is directly electrically connected with the inner of two groups of radiation arms in four groups of radiation arms, is directly two groups of radiation arm feeds.Inner wire can be with other two groups of radiation arm capacitance connections in four groups of radiation arms, couple feed is carried out for two groups of radiation arms, or, inner wire can also directly be electrically connected with other two groups of radiation arms in four groups of radiation arms, be directly two groups of radiation arm feeds.
Fig. 2 d are the structural representation of second of antenna element of the embodiment of the present invention two.As shown in Figure 2 d, on the basis of the part being included in shown in above-mentioned Fig. 2 a, further, it can also include in the antenna element:Draw phase device 24.This draws the top that phase device 24 is arranged on above-mentioned cross-dipole, is separated by a default space length with cross-dipole.Specifically, it can be filled in the space being separated by by dielectric, form insulating barrier, above-mentioned cross-dipole is connected with the insulating barrier and draws phase device;Or, the support column that insulating materials makes is set above cross-dipole, above-mentioned cross-dipole is connected with the support column and draws phase device.Phase device is drawn by increase, further ensures that the current phase of two groups of radiation arms input balun device of same polarization on the contrary, so as to further improve the polarization purity and isolation of antenna element.
Fig. 3 is the principle schematic of the antenna element of the embodiment of the present invention one and embodiment two.The principle of the embodiments of the present invention one and the antenna element of the embodiment of the present invention two is described in more detail below by way of Fig. 3.As shown in figure 3, four distributing points provide feed for the cross-dipole of antenna element.Four distributing points shown in Fig. 3 are four feeder pillars and the tie point of four groups of radiation arms in embodiment one;Tie point in embodiment two for the inner wire and outer conductor in coaxial line respectively with four groups of radiation arms.In the embodiment of the present invention one and embodiment two, only so that four distributing points are constituted four summits of rectangle as an example.Wherein, two distributing points positioned at diagonal two ends are respectively two groups of radiation of polarised direction identical in cross-dipole
Arm provides feed.In Fig. 3, the distributing point that one pair of which is located at diagonal two ends is labeled as distributing point al and distributing point a2.The current and phase difference for the feed that distributing point al and distributing point a2 is provided is 180 degree.The current and phase difference for the feed that the distributing point that another pair is located at diagonal two ends is provided also is 180 degree.Using the four-point feed mode of symmetric feeds, so that electric current distribution equilibrium on four groups of radiation arms, so that the Energy distribution balance in the directional diagram of antenna element radiation, the main lobe of direction figure will not deviate, therefore be conducive to improving the deflection of antenna element(Squint) index, improves the polarization purity of antenna element, obtains preferable cross polarization discrimination.
The CURRENT DISTRIBUTION at a certain moment of the feed for four groups of radiation arms that dipole is constituted in antenna element is shown in Fig. 3.Specifically, by taking distributing point al and a2 as an example, distributing point al and distributing point a2 are two groups of radiation arm feeds of polarised direction identical in dipole.The current and phase difference for the feed that distributing point al and distributing point a2 is provided is 180 degree.The outside of four groups of radiation arms is connected by the conductor part of loop configuration, and the conductor part of the loop configuration provides current path for the feed in radiation arm.Referring to Fig. 3, in distributing point al, distributing point a2 and radiation arm outer rim position, current strength is most strong.In the position being located between two groups of radiation arms of the conductor part of loop configuration, current strength is most weak.In distributing point al, electric current flows along the horizontal direction and vertical direction in Fig. 3 to the direction on the outside of radiation arm, and after above-mentioned two direction composition, the vertical direction that electric current is pointed in distributing point al direction in Fig. 3 offsets 45 degree of angle to the left.In distributing point a2, electric current flows along the horizontal direction and vertical direction in Fig. 3 to the direction on the inside of radiation arm, and after above-mentioned two direction composition, the vertical direction that electric current is also directed in Fig. 3 in distributing point a2 direction offsets 45 degree of angle to the left.In the position being located between two groups of radiation arms of the conductor part of loop configuration, conductor part flowing of the electric current along the loop configuration, the vertical direction that the sense of current is also directed in Fig. 3 offsets 45 degree of angle to the left.In the terminal of radiation arm, anti-phase, the current phase for high frequency and low frequency can be changed in the position of the terminal of radiation arm.After being connected due to four groups of radiation arms by the conductor part of loop configuration, the structure of the single unit system of radiation arm and the conductor part of loop configuration composition is symmetrical, and the CURRENT DISTRIBUTION in the single unit system is also symmetrical, therefore, it is possible to improve the polarization purity and cross polarization discrimination of antenna element.And, because the outside of radiation arm is connected by the conductor part of loop configuration, the conductor part of the loop configuration provides a new current path for the feed in radiation arm, therefore, it is possible to increase the bandwidth of antenna element, and keeps current balance type in whole frequency band range.Also, because the outside of radiation arm is connected by the conductor part of loop configuration, new closed path path is formd, therefore, it is possible to efficiently reduce the energy coupling between antenna element, so as to improve the isolation of antenna element.
Fig. 4 is the structural representation of the antenna element of the embodiment of the present invention three.Fig. 5 is the structural representation of the antenna element of the embodiment of the present invention four.The conductor part of loop configuration shown in Fig. 4 and Fig. 5 can apply in the antenna element of the embodiment of the present invention one or the antenna element of the embodiment of the present invention two.Referring to Fig. 4 and Fig. 5, in the antenna element of the embodiment of the present invention one or embodiment two, the conductor part of loop configuration can be various shapes.For example, the conductor part is tetracyclic ring in Fig. 4;The conductor part is polygon ring in Figure 5;The conductor part is annulus in Fig. 1, Fig. 2 a and Fig. 2 d.
Fig. 6 is the structural representation of the antenna element of the embodiment of the present invention five.Fig. 7 is the structural representation of the antenna element of the embodiment of the present invention six.Fig. 8 is the structural representation of the antenna element of the embodiment of the present invention seven.Radiation arm shown in Fig. 6, Fig. 7 and Fig. 8 can apply in the antenna element of the embodiment of the present invention one or the antenna element of the embodiment of the present invention two.Referring to Fig. 6, Fig. 7 and Fig. 8, in the antenna element of the embodiment of the present invention one or embodiment two, radiation arm can use various shapes, and radiation arm can be connected with conductor part using various ways.For example, in figure 6, radiation arm is shaped as curve, and the outer end of every group of radiation arm is connected with the conductor part of loop configuration respectively;In figures 7 and 8, radiation arm is shaped as the different curve of curved shape, and every group of radiation arm outer end be connected after be connected again with the conductor part of loop configuration;In Fig. 1, Fig. 2 a and Fig. 2 d, radiation arm is shaped as straight line, and the outer end of every group of radiation arm is connected with the conductor part of loop configuration respectively.
Fig. 9 is the structural representation of the antenna of the embodiment of the present invention eight.As shown in figure 9, the antenna includes:The antenna element of reflecting plate 10 and at least one embodiment of the present invention one, above-mentioned antenna element is arranged on the reflecting plate 10.
On the basis of above-mentioned technical proposal, feeding network is arranged on reflecting plate 10.Specifically, the radiation arm 12 in antenna element can be parallel with reflecting plate 10.Or, the radiation arm 12 in antenna element can be set with reflecting plate 10 in predetermined angle.For example, when reflecting plate 10 is horizontally disposed with, above-mentioned radiation arm 12 could be arranged to from inner outwards horizontally extending, it can also be provided that from the inner certain angle extension that is outwards inclined upwardly in the horizontal direction, may be arranged as outwards tilting down certain angle extension in the horizontal direction from inner.
Figure 10 is the structural representation of the antenna of the embodiment of the present invention nine.As shown in Figure 10, the antenna includes:The antenna element of reflecting plate 20 and at least one embodiment of the present invention two, above-mentioned antenna element is arranged on the reflecting plate 20.Specifically, the antenna element can use the first antenna element of the embodiment of the present invention two, it would however also be possible to employ second of antenna element of the embodiment of the present invention two, in Fig. 10 only by taking the first antenna element as an example.
On the basis of above-mentioned technical proposal, specifically, the radiation arm 22 in antenna element can be parallel with reflecting plate 20.Or, the radiation arm 22 in antenna element can be set with reflecting plate 20 in predetermined angle.For example, when reflecting plate 20 is horizontally disposed with, above-mentioned radiation arm 22 could be arranged to from inner outwards horizontally extending, it can also be provided that from the inner certain angle extension that is outwards inclined upwardly in the horizontal direction, may be arranged as outwards tilting down certain angle extension in the horizontal direction from inner.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the part being described in detail in some embodiment, may refer to the associated description of other embodiment.
Finally it should be noted that:The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although the present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that:It can still modify to the technical scheme described in foregoing embodiments, or carry out equivalent substitution to which part technical characteristic;And these modifications or replacement, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (1)
- Claim1st, a kind of antenna element, it is characterised in that including:Cross-dipole and four feeder pillars;The cross-dipole includes:The conductor part of four groups of radiation arms and a loop configuration;Radiation arm described in every group includes:The connected radiation arm in two or more the inner, the outer end of four groups of radiation arms connects the conductor part of the loop configuration;One end of each feeder pillar connects the inner of radiation arm described in one group, and other end connection feeding network is that the current phase of two feeder pillars of two groups of radiation arms feed of same polarization is opposite.2nd, antenna element according to claim 1, it is characterised in thatThe conductor part of the loop configuration is triangular loop, tetracyclic ring, polygon ring, annulus or vesica piscis.3rd, antenna element according to claim 1 or 2, it is characterised in that the radiation arm is straight line or curve.4th, antenna element as claimed in any of claims 1 to 3, it is characterised in that the outer end of the radiation arm of radiation arm described in every group is connected after being connected with the conductor part of the loop configuration;Or, each conductor part of the outer end of the radiation arm respectively with the loop configuration is connected.5th, antenna element as claimed in any of claims 1 to 4, it is characterised in that four feeder pillars and the cross-dipole are made using the mode of being integrally formed.6th, a kind of antenna, it is characterised in that including:Antenna element of the reflecting plate with least one being arranged on the reflecting plate as described in any one in claim 1 to 5.7th, a kind of antenna element, it is characterised in that including:Cross-dipole and balun device;The cross-dipole includes:The conductor part of four groups of radiation arms and a loop configuration;Radiation arm described in every group includes:The connected radiation arm in two or more the inner, the outer end of four groups of radiation arms connects the conductor part of the loop configuration;The balun device includes four outer conductors and two inner wires, the upper end of each outer conductor connects the inner of one group of radiation arm respectively, the inside of two adjacent outer conductors sets an inner wire respectively, one end of each inner wire penetrates the outer conductor from the lower end of the outer conductor at place, the upper end of the other end from the outer conductor at place extends out, the outer conductor being connected to place is in the upper end of the outer conductor of diagonal positions, or extended to from the outer conductor at place in the upper end of the outer conductor of diagonal positions inside the outer conductor, the inner wire and the outer conductor at place formation coaxial line, fed by the coaxial line. 8th, antenna element according to claim 7, it is characterised in thatThe conductor part of the loop configuration is triangular loop, tetracyclic ring, polygon ring, annulus or ellipse.9th, the antenna element according to claim 7 or 8, it is characterised in that the radiation arm is straight line or curve.10th, the antenna element according to any one in claim 7 to 9, it is characterised in that the outer end of the radiation arm of radiation arm described in every group is connected after being connected with the conductor part of the loop configuration;Or, each conductor part of the radiation arm respectively with the loop configuration is connected.11st, the antenna element according to any one in claim 7 to 10, it is characterised in that also include:Be arranged on above the cross-dipole and with the cross-dipole is separated by pre-set space distance draws phase device.12nd, a kind of antenna, it is characterised in that including:Antenna element of the reflecting plate with least one being arranged on the reflecting plate as described in any one in claim 7 to 11.
Applications Claiming Priority (1)
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CN103872435A (en) * | 2014-03-26 | 2014-06-18 | 广东泰阳通信设备有限公司 | Broadband radiation unit and base station antenna |
CN104577323A (en) * | 2015-02-06 | 2015-04-29 | 西安电子科技大学 | Dual-frequency and dual-polarization antenna used for mobile communication base station |
CN109361051A (en) * | 2018-11-22 | 2019-02-19 | 歌尔股份有限公司 | Antenna devices and electronic equipment |
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CN111490339A (en) * | 2020-03-13 | 2020-08-04 | 中国电波传播研究所(中国电子科技集团公司第二十二研究所) | Novel dual-frequency horizontal omnidirectional near-field resonant parasitic antenna |
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CN113169456A (en) * | 2019-02-28 | 2021-07-23 | 半球全球卫星导航系统公司 | Broadband GNSS Antenna System |
CN111490339A (en) * | 2020-03-13 | 2020-08-04 | 中国电波传播研究所(中国电子科技集团公司第二十二研究所) | Novel dual-frequency horizontal omnidirectional near-field resonant parasitic antenna |
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CN111446541A (en) * | 2020-04-10 | 2020-07-24 | 航天恒星科技有限公司 | Cross-shaped array circularly polarized antenna |
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Also Published As
Publication number | Publication date |
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CN102971910B (en) | 2015-12-23 |
WO2012092889A3 (en) | 2012-12-13 |
WO2012092889A2 (en) | 2012-07-12 |
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